Modern Forge didn't exist back then in the same way. Most 1.0.0 mods require ModLoader or a very early version of Forge.
"To install mods for Minecraft 1.0.0 in 2024, the process is slightly different than modern versions: Скачать мод на 1 0 0
Since that version was released way back in 2011, finding working mods today can be a bit of a nostalgia trip. Here is some text you can use for a post, a description, or a search, depending on what you need: Option 1: For a Blog Post or Description Modern Forge didn't exist back then in the same way
These versions run lightning-fast on modern hardware. or a search
Many old mods require you to manually inject files into the minecraft.jar file—be sure to delete the META-INF folder!" Option 3: Short & Catchy (Social Media)